<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>tsetpost</title>
</head>

<body>
    <form action="http://localhost:3000/addUser" method="post" enctype="application/x-www-form-urlencoded">
        用户：
        <input type="text" name="username" id="username" placeholder="用户名"><br> 密码：
        <input type="password" name="password" id="password" placeholder="密码" /><br>
        <input type="submit" value="提交" />
    </form>
</body>

</html>